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avcodec/aarch64/mpegvideoencdsp: add neon implementations for pix_sum and pix_norm1
A55 A76 pix_norm1_c: 478.2 234.2 pix_norm1_neon: 188.2 ( 2.54x) 41.2 ( 5.68x) pix_sum_c: 304.2 244.0 pix_sum_neon: 77.2 ( 3.94x) 21.5 (11.35x)
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@ -10,6 +10,7 @@ OBJS-$(CONFIG_HPELDSP) += aarch64/hpeldsp_init_aarch64.o
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OBJS-$(CONFIG_IDCTDSP) += aarch64/idctdsp_init_aarch64.o
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OBJS-$(CONFIG_ME_CMP) += aarch64/me_cmp_init_aarch64.o
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OBJS-$(CONFIG_MPEGAUDIODSP) += aarch64/mpegaudiodsp_init.o
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OBJS-$(CONFIG_MPEGVIDEOENC) += aarch64/mpegvideoencdsp_init.o
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OBJS-$(CONFIG_NEON_CLOBBER_TEST) += aarch64/neontest.o
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OBJS-$(CONFIG_PIXBLOCKDSP) += aarch64/pixblockdsp_init_aarch64.o
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OBJS-$(CONFIG_VIDEODSP) += aarch64/videodsp_init.o
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@ -51,6 +52,7 @@ NEON-OBJS-$(CONFIG_IDCTDSP) += aarch64/idctdsp_neon.o \
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aarch64/simple_idct_neon.o
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NEON-OBJS-$(CONFIG_ME_CMP) += aarch64/me_cmp_neon.o
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NEON-OBJS-$(CONFIG_MPEGAUDIODSP) += aarch64/mpegaudiodsp_neon.o
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NEON-OBJS-$(CONFIG_MPEGVIDEOENC) += aarch64/mpegvideoencdsp_neon.o
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NEON-OBJS-$(CONFIG_PIXBLOCKDSP) += aarch64/pixblockdsp_neon.o
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NEON-OBJS-$(CONFIG_VC1DSP) += aarch64/vc1dsp_neon.o
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NEON-OBJS-$(CONFIG_VP8DSP) += aarch64/vp8dsp_neon.o
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39
libavcodec/aarch64/mpegvideoencdsp_init.c
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39
libavcodec/aarch64/mpegvideoencdsp_init.c
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@ -0,0 +1,39 @@
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stddef.h>
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#include <stdint.h>
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#include "libavutil/attributes.h"
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#include "libavutil/aarch64/cpu.h"
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#include "libavcodec/mpegvideoencdsp.h"
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#include "config.h"
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int ff_pix_sum16_neon(const uint8_t *pix, int line_size);
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int ff_pix_norm1_neon(const uint8_t *pix, int line_size);
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av_cold void ff_mpegvideoencdsp_init_aarch64(MpegvideoEncDSPContext *c,
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AVCodecContext *avctx)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_neon(cpu_flags)) {
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c->pix_sum = ff_pix_sum16_neon;
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c->pix_norm1 = ff_pix_norm1_neon;
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}
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}
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68
libavcodec/aarch64/mpegvideoencdsp_neon.S
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68
libavcodec/aarch64/mpegvideoencdsp_neon.S
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@ -0,0 +1,68 @@
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/*
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* Copyright (c) 2024 Ramiro Polla
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/aarch64/asm.S"
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function ff_pix_sum16_neon, export=1
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// x0 const uint8_t *pix
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// x1 int line_size
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sxtw x1, w1
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add x2, x0, x1
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lsl x1, x1, #1
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movi v0.16b, #0
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mov w3, #16
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1:
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ld1 {v1.16b}, [x0], x1
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ld1 {v2.16b}, [x2], x1
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subs w3, w3, #2
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uadalp v0.8h, v1.16b
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uadalp v0.8h, v2.16b
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b.ne 1b
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uaddlv s0, v0.8h
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fmov w0, s0
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ret
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endfunc
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function ff_pix_norm1_neon, export=1
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// x0 const uint8_t *pix
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// x1 int line_size
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sxtw x1, w1
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movi v0.16b, #0
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mov w2, #16
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1:
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ld1 {v1.16b}, [x0], x1
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subs w2, w2, #1
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umull v2.8h, v1.8b, v1.8b
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umull2 v3.8h, v1.16b, v1.16b
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uadalp v0.4s, v2.8h
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uadalp v0.4s, v3.8h
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b.ne 1b
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uaddlv d0, v0.4s
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fmov w0, s0
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ret
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endfunc
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@ -245,7 +245,9 @@ av_cold void ff_mpegvideoencdsp_init(MpegvideoEncDSPContext *c,
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c->draw_edges = draw_edges_8_c;
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#if ARCH_ARM
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#if ARCH_AARCH64
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ff_mpegvideoencdsp_init_aarch64(c, avctx);
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#elif ARCH_ARM
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ff_mpegvideoencdsp_init_arm(c, avctx);
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#elif ARCH_PPC
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ff_mpegvideoencdsp_init_ppc(c, avctx);
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@ -46,6 +46,8 @@ typedef struct MpegvideoEncDSPContext {
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void ff_mpegvideoencdsp_init(MpegvideoEncDSPContext *c,
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AVCodecContext *avctx);
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void ff_mpegvideoencdsp_init_aarch64(MpegvideoEncDSPContext *c,
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AVCodecContext *avctx);
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void ff_mpegvideoencdsp_init_arm(MpegvideoEncDSPContext *c,
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AVCodecContext *avctx);
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void ff_mpegvideoencdsp_init_ppc(MpegvideoEncDSPContext *c,
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